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Finding the Fourth Proportional to 107,616.96, 148,503 and 59,862.60

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Solution

The fourth proportional to 107,616.96, 148,503 and 59,862.60 is: 82,605.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,616.96 : 148,503 = 59,862.60 : x
  2. Step 2: Convert to fraction form
    107,616.96/148,503 = 59,862.60/x
  3. Step 3: Cross multiply
    107,616.96x = 148,503 × 59,862.60
  4. Step 4: Simplify right side
    107,616.96x = 8,889,775,687.80
  5. Step 5: Solve for x
    x = 8,889,775,687.80/107,616.96
  6. Step 6: Final answer
    x = 82,605.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.